Slide 1

Animal Reproduction

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Asexual reproduction - fission Sea anemone Paramecium Planaria

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Asexual reproduction - budding Hydra Porifera Planaria

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Asexual reproduction - parthenogenesis Honey bee rotifers aphids daphnia

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Meiosis

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Slide 8

coral External fertilization

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Internal fertilization Vertebrate copulatory organs. (a) Clasper of dogfish (Squalus). Glans penis of (b) opossum, (c) ram, (d) bull, (e) short-tailed shrew, (f) man, (g) Echidna.

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Internal fertilization

Slide 11

collembola salamander

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Sperm competition mate guarding

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Sperm competition mating plug mouse

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Sperm competition toxic seminal fluid; sperm displacement

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Prolonged copulation

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hermaphroditism simulataneoussequential

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Slide 18

ovovivipary